Scientific Name
Nemipterus randalli

Common Name
Randall's threadfin bream

Biology
Dorsal spines (total): 10; Dorsal soft rays (total): 9; Anal spines: 3; Anal soft rays: 7. Suborbital spine absent. Preopercle with 3 transverse scale rows. Pectoral and pelvic fins very long, reaching to or just beyond level of origin of anal fin. A line drawn up from posterior edge of suborbital reaching the dorsal profile at about 3 to 7 scale rows before origin of dorsal fin. Upper lobe of caudal fin produced into a long trailing light red filament. Axillary scale present. Color: Body silvery pink. Peritoneum salmon-pink.

Classification

Classified By

Russell, 1986

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Threadfin breams, Whiptail breams (Nemipteridae)

Distribution

Region

Western Indian Ocean

Distribution

Western Indian Ocean: including the east and west coast of India, Pakistan, Persian Gulf, Red Sea, Gulf of Aden, east African coast, Seychelles and Madagascar. This species has been previously misidentified as Nemipterus mesoprion.

Range

31°N - 30°S, 31°E - 83°E

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

22 m

Depth To - meters

225 m

Zone

demersal

Environment

Marine; demersal; non-migratory; depth range 22 - 225 m (Ref. 30573)

Trophic Level

3.66 s.e. 0.55 Based on size and trophs of closest relatives

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

20.0 cm

Common Length

15.0 cm

Phylogenetic Diversity Index

PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: minor commercial

Vulnerability

Low vulnerability (16 of 100)

Resilience

High, minimum population doubling time less than 15 months (K=0.83)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated